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2-AMINOPHENOL-N,O-DIACETATE synthesis
- Product Name:2-AMINOPHENOL-N,O-DIACETATE
- CAS Number:5467-64-1
- Molecular formula:C10H11NO3
- Molecular Weight:193.2
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108-24-7
5 suppliers
$14.00/250ML
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95-55-6
543 suppliers
$5.00/5G
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5467-64-1
17 suppliers
$28.60/250mg
Yield:5467-64-1 99.1%
Reaction Conditions:
with sulfuric acid in methanol; for 4 h;Reflux;Large scale;Concentration;
Steps:
2.1 preparation of 2-acetamidophenyl acetate
Take 2-aminophenol (110kg),Acetic anhydride (225 kg),Methanol 410kg,11 liters of concentrated sulfuric acid,Reflux reaction 4h. After the reaction,Methanol recovery under reduced pressure,Cool to room temperature,To the reaction system was added saturated sodium bicarbonate solution was adjusted to pH9-10,410kg ethyl acetate extraction,Washed to neutral,Dried over anhydrous sodium sulfate,filter,The solvent was recovered under reduced pressure,Had a light yellow solid 191.5kg,Yield 99.1%.
References:
CN106995366,2017,A Location in patent:Paragraph 0016; 0018
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64-19-7
1564 suppliers
$10.00/25ML
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95-55-6
543 suppliers
$5.00/5G
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5467-64-1
17 suppliers
$28.60/250mg
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64-19-7
1564 suppliers
$10.00/25ML
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103-84-4
347 suppliers
$12.00/100g
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5467-64-1
17 suppliers
$28.60/250mg
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108-24-7
5 suppliers
$14.00/250ML
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88-75-5
14 suppliers
$15.00/5mg
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5467-64-1
17 suppliers
$28.60/250mg
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75-36-5
580 suppliers
$17.92/100G
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614-80-2
302 suppliers
$5.00/10g
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5467-64-1
17 suppliers
$28.60/250mg